Ergonomic tricycle



FIG. 1 is a top, front, and left side perspective view of an ergonomictricycle showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the ergonomictricycle that form no part of the claimed design.

CLAIM The ornamental design for an ergonomic tricycle, as shown and described. 